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Finding the Fourth Proportional to 299,796.60, 449,111.70 and 181,115.40

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Solution

The fourth proportional to 299,796.60, 449,111.70 and 181,115.40 is: 271,320.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,796.60 : 449,111.70 = 181,115.40 : x
  2. Step 2: Convert to fraction form
    299,796.60/449,111.70 = 181,115.40/x
  3. Step 3: Cross multiply
    299,796.60x = 449,111.70 × 181,115.40
  4. Step 4: Simplify right side
    299,796.60x = 81,341,045,190.18
  5. Step 5: Solve for x
    x = 81,341,045,190.18/299,796.60
  6. Step 6: Final answer
    x = 271,320.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.